ADU CITIES Contractor Directory

Conzelman Mark

● Active — license status verified against CSLB public data as of November 6, 2026

☎ Call (714) 505-7090Verify this license at CSLB
CSLB license#337784
ClassificationsB — General Building · C-35 — Lathing and Plastering
Office of record2151 Michelson Dr Ste 140
Irvine, CA 92612
Address as listed in the CSLB record — the office of record, not a service-area claim.
Phone (CSLB record)(714) 505-7090
Contractor bond$25,000 — American Contractors Indemnity Company
Workers' comp (CSLB record)Exempt
Business typeSole Owner
License issuedJuly 1, 1977
License expiresAugust 31, 2028

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Data source: CSLB public records as of November 6, 2026. License status can change at any time — verify live at CSLB before signing a contract.